Victorian Sterling Oval Locket

This lovely locket is not marked but has been tested positive for sterling (acid test). The locket itself is over 1 1/2 inches long and the bale is 1/2 inch long. The design is the same front and back. The inside has glass covered compartments which have hair on one side, and an old photo of a stern hat wearing lady on the other. C. 1880 and most likely English in origin.